Annual report pursuant to Section 13 and 15(d)

GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Other Intangible Assets (Details)

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GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Other Intangible Assets (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]    
Total other intangible assets, gross carrying amount $ 497 $ 411
Total other intangible assets, accumulated amortization (255) (220)
Total other intangible assets, net of carrying value 242 191
Core deposit intangible    
Finite-Lived Intangible Assets [Line Items]    
Total other intangible assets, gross carrying amount 389 310
Total other intangible assets, accumulated amortization (175) (150)
Total other intangible assets, net of carrying value 214 160
Customer relationship    
Finite-Lived Intangible Assets [Line Items]    
Total other intangible assets, gross carrying amount 108 101
Total other intangible assets, accumulated amortization (80) (70)
Total other intangible assets, net of carrying value $ 28 $ 31